package com.xuan.controller;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;

@Controller
public class MyController {
    @RequestMapping({"/","/index"})
    public String toIndex(Model model) {
        model.addAttribute("msg","hello Spring Shiro");
        return "index";
    }
    @RequestMapping("user/add")
    public String add(){
        return "user/add";
    }
    @RequestMapping("user/update")
    public String update(){
        return "user/update";
    }
    @RequestMapping("toLogin")
    public String toLogin(){
        return "login";
    }

    @RequestMapping("/login")
    public String login(String username,String password,Model model){
//        获取当前用户
        Subject subject = SecurityUtils.getSubject();
//        封装当前用户的登录数据
        UsernamePasswordToken token = new UsernamePasswordToken(username, password);
        try {
            subject.login(token); //执行登录的方法
        }catch (UnknownAccountException e){
            model.addAttribute("msg","用户名错误");
            return "login" ;

        }catch (IncorrectCredentialsException e){
            model.addAttribute("msg","密码错误");
            return "login" ;
        }return "index";
    }

    @RequestMapping("/nounth")
    @ResponseBody
    public String unauthorized(){
        return "此页面未授权";
    }
    @RequestMapping("/loginOut")
    public String loginOut(HttpSession httpSession, Model model){
        Subject subject = SecurityUtils.getSubject();
        subject.logout();
        model.addAttribute("msg","安全退出");
        return "login";
    }
}
